Novobiocin.
21 C.F.R. § 558.415
in effectEffective: 2024-07-01(a) Specifications. Type A medicated article containing 25 grams of novobiocin activity per pound.
(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.460 of this chapter.
(d) Conditions of use. It is used in animal feeds as follows:
(1) Chickens—
(2) Turkeys—
(3) Minor species—
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026